Question

આપેલાં સુરેખ સમીકરણ-યુ
r + y = 7, 31 - y = 1​

Answer 1

r + y = 7, 31 - y = 1

31 - y = 1

- y = -30

therefore

y = 30

r + y = 7

r + 30 = 7


therefore

r = -23

Answer 2

Answer:

-y=1-31

y=-(-30)

y=30

r+y=7 put the value of y in it

r+30=7

r=7-30

r=-23